Finding the Fourth Proportional to 1,886,523.44, 2,602,561.08 and 1,274,479.28
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Solution
The fourth proportional to 1,886,523.44, 2,602,561.08 and 1,274,479.28 is: 1,758,213.07
Step by Step Solution
- Step 1: Write the proportion equation
1,886,523.44 : 2,602,561.08 = 1,274,479.28 : x - Step 2: Convert to fraction form
1,886,523.44/2,602,561.08 = 1,274,479.28/x - Step 3: Cross multiply
1,886,523.44x = 2,602,561.08 × 1,274,479.28 - Step 4: Simplify right side
1,886,523.44x = 3,316,910,171,394.42 - Step 5: Solve for x
x = 3,316,910,171,394.42/1,886,523.44 - Step 6: Final answer
x = 1,758,213.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.